New compact broadband phase shifters using coupled lines

Sang Min Han; Koo Hyung Kwon; Young Sik Kim

doi:10.1002/mop.10775

New compact broadband phase shifters using coupled lines

Sang Min Han, Koo Hyung Kwon, Young Sik Kim

* Honorary professors

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

Abstract

This paper presents two types of phase shifters using parallel coupled lines as compact and broadband couplers. Phase shifts are enabled by varying the varactor capacitances or by switching the PIN diode ON/OFF. Both have shown about 40% bandwidth within ±3.5° phase error. While an adjustable phase control over 65° is obtained by the phase shifter with varactor diodes, 180° is yielded by that with PIN diodes.

Original language	English
Pages (from-to)	399-400
Number of pages	2
Journal	Microwave and Optical Technology Letters
Volume	36
Issue number	5
DOIs	https://doi.org/10.1002/mop.10775
Publication status	Published - 2003 Mar 5

Keywords

Couplers
PIN diodes
Phase shifters
Phased array antennas
Varactors

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Condensed Matter Physics
Electrical and Electronic Engineering

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10.1002/mop.10775

Cite this

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AB - This paper presents two types of phase shifters using parallel coupled lines as compact and broadband couplers. Phase shifts are enabled by varying the varactor capacitances or by switching the PIN diode ON/OFF. Both have shown about 40% bandwidth within ±3.5° phase error. While an adjustable phase control over 65° is obtained by the phase shifter with varactor diodes, 180° is yielded by that with PIN diodes.

KW - Couplers

KW - PIN diodes

KW - Phase shifters

KW - Phased array antennas

KW - Varactors

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New compact broadband phase shifters using coupled lines

Abstract

Keywords

ASJC Scopus subject areas

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